package com.itheima.web;

import com.itheima.servlet.StudentServlet;
import com.itheima.servlet.StudentServletImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/DeleteServlet")
public class DeleteServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String id = req.getParameter("id");
        StudentServlet studentServlet = new StudentServletImpl();
        boolean flag = studentServlet.deleteById(Integer.parseInt(id));
        if (flag){
            resp.sendRedirect("ListServlet");
        }else {
            resp.getWriter().write("删除失败，三秒后跳转");
            resp.setHeader("Refresh","3;url=ListServlet");
        }
    }
}
